Finding the Fourth Proportional to 243,864.26, 336,545.75 and 136,427.88
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Solution
The fourth proportional to 243,864.26, 336,545.75 and 136,427.88 is: 188,277.79
Step by Step Solution
- Step 1: Write the proportion equation
243,864.26 : 336,545.75 = 136,427.88 : x - Step 2: Convert to fraction form
243,864.26/336,545.75 = 136,427.88/x - Step 3: Cross multiply
243,864.26x = 336,545.75 × 136,427.88 - Step 4: Simplify right side
243,864.26x = 45,914,223,195.51 - Step 5: Solve for x
x = 45,914,223,195.51/243,864.26 - Step 6: Final answer
x = 188,277.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.